Husky/CH Compressor check valve question

My 18 gallon Husky Compressor will build about 50PSI and then shut off. I have to unplug it of wait until the air pressure is all gone before it will repeat this cycle- never above 50PSI.

I have read a million stories from as many customers. I'd like to fins a definitive fix.

The lock tab on the unloader is worn away. The new unloader valve is$15. OK
The check valve is $25; but I don't know if it is the problem. What is the 1/8" filter type plug that screws into the Check Valve- opposite the 1/8" Black plastic tube to the unloader Valve? It leaks.

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Husky/CH Compressor check valve question

Post a picture, Huskey makes about a dozen differant set ups.
If the check valve is stuck air will be leaking back out of the pressure regulator.
Check for air leaks around the line that runs from the tank to the pressure regulatior. Also the line that comes out of the head of the compressor.
All there counting on to seal that line is a little round O ring and they fail. Copper lines work harden and crack, old rubber line from weather cracking. All of these can stop it from building up pressure.

Husky/CH Compressor check valve question

Quote:

Originally Posted by woodworkbykirk

why are you wondering about hte extentsion chord.. thinking the built in breaker is tripping?
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Yes, exactly Kirk. An compressor works harder and everything gets hotter as the pressure builds, and it is not uncommon for it to simply run out of juice at some point, if not supplied with adequate power.

Husky/CH Compressor check valve question

Quote:

Originally Posted by joecaption

Post a picture, Huskey makes about a dozen differant set ups.
If the check valve is stuck air will be leaking back out of the pressure regulator.
Check for air leaks around the line that runs from the tank to the pressure regulatior. Also the line that comes out of the head of the compressor.
All there counting on to seal that line is a little round O ring and they fail. Copper lines work harden and crack, old rubber line from weather cracking. All of these can stop it from building up pressure.

If it was a leak though would it not keep running instead of not starting when low or shutting off too soon. Just a guess but if the regulator was bad would pressure on and off switch be effected.